Rosemarie Louise Fisher, MD
Gastroenterology Physician · New Haven, CT
Rosemarie Louise Fisher, MD is a gastroenterology physician with a practice address in New Haven, Connecticut, and NPI 1174507685, issued on Nov 30, 2005. Check the license (Connecticut 017032, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Rosemarie Louise Fisher
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 017032 CT
Self-reported in NPPES; status is on the state search - Practice location
- 40 Temple St, New Haven, CT 06510
- Phone
- (203) 785-4138
- Enumerated
- Nov 30, 2005
- Record last updated
- Jul 2, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (203) 737-1345
- Medicaid ID
- 001170323 CT
- Medicare enrollment
- Enrolled (PECOS I20100311000809); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1971
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 336 in Connecticut → Look up another NPI →
Also registered at 40 Temple St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kirsten AckermanRegistered Dietitian1396298485
- Badr Al Bawardy, MDGastroenterology Physician1104111509
- Yonca Arat, MDOphthalmic Plastic and Reconstructive Surgery Physician1861646986
- Harry Aslanian, MDGastroenterology Physician1295718401
- Ashley Beesley, FNPFamily Nurse Practitioner1629834585
- Jennifer Bennick, APRNFamily Nurse Practitioner1770886764
Verify Rosemarie Louise Fisher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 017032Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average gastroenterology physician in 2024
140 Medicare Part D claims for 32 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium29 claims
- Gattex17 claims
- Ondansetron Hcl16 claims
- Dicyclomine Hcl13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $121.75
1 payment: food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rosemarie Louise Fisher among 336 gastroenterology physician records in Connecticut
Rosemarie Louise Fisher, MD is one of 336 gastroenterology physician records with a practice address in Connecticut. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1971 · median 2001 among the 255 with a school on file
- Record last updated2008 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Connecticut
There are 336 gastroenterology physician records in Connecticut.
All 336 in Connecticut → Every provider in New Haven → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Harry Aslanian, MDNew Haven, CT 065101295718401
- Sidney Bogardus, MDNew Haven, CT 065101730131103
- James Boyer, M.D.New Haven, CT 065101447233267
- Samuel Feldshon, MDNew Haven, CT 065101861464547
- Guadalupe Garcia Tsao, MDNew Haven, CT 065101194706416
- Wolfram Goessling, MD PHDNew Haven, CT 065101083696298
- Chul Hyun, MDNew Haven, CT 065101467540401
- Priya Jamidar, MDNew Haven, CT 065101912988791
Common questions
What is Rosemarie Louise Fisher, MD's NPI number?
Rosemarie Louise Fisher, MD's National Provider Identifier (NPI) is 1174507685, issued on Nov 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Rosemarie Louise Fisher, MD located?
The NPPES record lists a practice address at 40 Temple St, New Haven, CT, 06510. Phone: (203) 785-4138. Providers update this record themselves, so call before visiting.
How can I verify Rosemarie Louise Fisher, MD's license?
NPPES lists Connecticut license number 017032, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Rosemarie Louise Fisher, MD prescribe under Medicare Part D?
In 2024, Rosemarie Louise Fisher, MD had 140 Medicare Part D claims for 32 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Rosemarie Louise Fisher, MD's MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.